| Verfasser | Häufigkeit |
| Combs, Robert |
3 |
| Ball, Carleton R. |
1 |
| Bowker, Robert |
1 |
| Bowman, Robert C. |
1 |
| Combs, Evelynn A. |
1 |
| Combs, Frederick |
1 |
| Combs, Robert 1923- |
1 |
| Combs, Ronald |
1 |
| Crowley, Mart 1935-2020 |
1 |
| Gorman, Cliff 1936-2002 |
1 |
| Greene, Reuben 1938- |
1 |
| Lanius, Ruth A. 1968- |
1 |
| Luckinbill, Laurence 1934- |
1 |
| Mithlo, Nancy Marie 1961- |
1 |
| Moore, Robert |
1 |
| Nelson, Kenneth |
1 |
| Pain, Clare |
1 |
| Prentice, Keith 1940-1992 |
1 |
| Vermetten, Eric 1961- |
1 |
| Warner, Robert Combs |
1 |